Dekiai-kun wa Te wo Dasenai

Miura, a healthy high school boy, wants to deepen his relationship with his beloved girlfriend Karen. However, she is incredibly sheltered and innocent. Miura always acts like a "prince-like person" to not scare her away, even if he extremely wants to hold her hand. This is a romantic comedy about a doting boy agonizing between instinct and reason!

(Source: Kodansha, translated)